Clark-Reliance Corporation continues to be the global leader in the level indication and control, sightflow indication, and filtration and separation industries.

Clark-Reliance Logo

The company’s well-known brands constitute the broadest line of level instrumentation for boilers and other equipment found in utilities, refineries, chemical processing and industries: Jerguson liquid level gages and valves, Jacoby-Tarbox sight flow indicators, Reliance® boiler level controls, Magne-Sonics level measurement and control products and Clark Steam Specialties. Additionally, Clark-Reliance manufacturers Anderson Separators, HYCOA™ transfer valves and duplex lube oil filtration systems, filters, National Filtration Systems engineered fuel gas filtration / separation systems.

Featured Products

Eye-Hye® SmartLevel™ Remote Water
Level Indication System

Eye-Hye SmartLevel Remote Water Level Indication System

Special Features

  • Patented technology.

  • Self-diagnostic sensor technology.

  • Adapts to your communication systems.

  • Optimum quality steam for heat rate efficiency.

  • Designed for global applications

  • Operator exposure to hazardous areas is minimized…unnecessary “nuisance” repair trips are eliminated. 

  • Longer probe and valve life… blowdowns are performed only when necessary, reducing wear. 

  • Pinpoints the failure of any module or peripheral in the system to simplify repair.

Jergunson WF Series Wide Magnetic Indicator

Jerguson® WF Series Wide Magnetic Indicator

Special features

  • Industry best 1.5″ (38.10mm) width

  • IP68 Rated Hermetically Sealed construction available

  • Single stainless steel precision stamping

  • Permanent ceramic magnet in each flag

  • Dual rotation points

High Pressure Threaded Bulls-Eye Sight Flow Indicator

High Pressure Threaded Bulls-Eye Sight Flow Indicator

Special features

  • Connections per ASME B1.20.1

  • Standard fasteners per ASTM A354 and ASTM A194 complying with most piping specifications.

  • Tempered borosilicate glass

  • Units and machined and assembled in an ISO-9001 fully automated facility.

  • Wetted components meet NACE MR-01-75 / ISO15156-1 requirements.

  • Stainless steel engraved identification faceplate.